instrumental

/ˌɪnstɹəmˈɛntə‍l/

/ˌɪnstɹəˈmɛnəɫ/, /ˌɪnstɹəˈmɛntəɫ/

instrumental

(of music) made only by instruments, instead of being sung

antonyms : vocal

serving or acting as a means or aid

Examples

1. So their churches and schools were very instrumental.

2. Oakland's pitching was instrumental to their 2-O lead in this series.

3. Allie's bolder makeup is instrumental in her transformation from spirited teenager to sophisticated adult.

4. Her tale became instrumental to the process.